Food waste drying machine



FIG. 1 is a top perspective view of my new design for a food waste drying machine;

FIG. 2 is a front-side view thereof;

FIG. 3 is a rear-side view thereof;

FIG. 4 is a left-side view thereof;

FIG. 5 is a top-side view thereof; and,

FIG. 6 is a bottom-side view thereof. 

The ornamental design for a food waste drying machine, as shown and described. 